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[3.13] gh-130179: Fix persistent_{id,load}_attr reference leaks in _pickle (GH-130180) (#130190)

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gh-130179: Fix `persistent_{id,load}_attr` reference leaks in `_pickle` (GH-130180)
(cherry picked from commit e7f00cd14f)

Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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Miss Islington (bot) 2025-02-16 15:22:23 +01:00 • committed by GitHub
parent ff92f6b228
commit 2fcad2a47b
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1 changed files with 4 additions and 0 deletions
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4
Modules/_pickle.c
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@ -4652,6 +4652,7 @@ Pickler_clear(PicklerObject *self)
Py_CLEAR(self->output_buffer);
Py_CLEAR(self->write);
Py_CLEAR(self->persistent_id);
Py_CLEAR(self->persistent_id_attr);
Py_CLEAR(self->dispatch_table);
Py_CLEAR(self->fast_memo);
Py_CLEAR(self->reducer_override);
@ -4681,6 +4682,7 @@ Pickler_traverse(PicklerObject *self, visitproc visit, void *arg)
Py_VISIT(Py_TYPE(self));
Py_VISIT(self->write);
Py_VISIT(self->persistent_id);
Py_VISIT(self->persistent_id_attr);
Py_VISIT(self->dispatch_table);
Py_VISIT(self->fast_memo);
Py_VISIT(self->reducer_override);
@ -7138,6 +7140,7 @@ Unpickler_clear(UnpicklerObject *self)
Py_CLEAR(self->peek);
Py_CLEAR(self->stack);
Py_CLEAR(self->persistent_load);
Py_CLEAR(self->persistent_load_attr);
Py_CLEAR(self->buffers);
if (self->buffer.buf != NULL) {
PyBuffer_Release(&self->buffer);
@ -7177,6 +7180,7 @@ Unpickler_traverse(UnpicklerObject *self, visitproc visit, void *arg)
Py_VISIT(self->peek);
Py_VISIT(self->stack);
Py_VISIT(self->persistent_load);
Py_VISIT(self->persistent_load_attr);
Py_VISIT(self->buffers);
PyObject **memo = self->memo;
if (memo) {